package com.qingcheng.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.qingcheng.dao.AdminMapper;
import com.qingcheng.entity.PageResult;
import com.qingcheng.entity.Result;
import com.qingcheng.pojo.system.Admin;
import com.qingcheng.service.system.AdminService;
import com.qingcheng.util.BCrypt;
import org.springframework.beans.factory.annotation.Autowired;
import tk.mybatis.mapper.entity.Example;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class AdminServiceImpl implements AdminService {

    @Autowired
    private AdminMapper adminMapper;

    /**
     * 返回全部记录
     *
     * @return
     */
    public List<Admin> findAll() {
        return adminMapper.selectAll();
    }

    /**
     * 分页查询
     *
     * @param page 页码
     * @param size 每页记录数
     * @return 分页结果
     */
    public PageResult<Admin> findPage(int page, int size) {
        PageHelper.startPage(page, size);
        Page<Admin> admins = (Page<Admin>) adminMapper.selectAll();
        return new PageResult<Admin>(admins.getTotal(), admins.getResult());
    }

    /**
     * 条件查询
     *
     * @param searchMap 查询条件
     * @return
     */
    public List<Admin> findList(Map<String, Object> searchMap) {
        Example example = createExample(searchMap);
        return adminMapper.selectByExample(example);
    }

    /**
     * 分页+条件查询
     *
     * @param searchMap
     * @param page
     * @param size
     * @return
     */
    public PageResult<Admin> findPage(Map<String, Object> searchMap, int page, int size) {
        PageHelper.startPage(page, size);
        Example example = createExample(searchMap);
        Page<Admin> admins = (Page<Admin>) adminMapper.selectByExample(example);
        return new PageResult<Admin>(admins.getTotal(), admins.getResult());
    }

    /**
     * 根据Id查询
     *
     * @param id
     * @return
     */
    public Admin findById(Integer id) {
        return adminMapper.selectByPrimaryKey(id);
    }

    /**
     * 新增
     *
     * @param admin
     */
    public void add(Admin admin) {
        adminMapper.insert(admin);
    }

    /**
     * 修改
     *
     * @param admin
     */
    public void update(Admin admin) {
        adminMapper.updateByPrimaryKeySelective(admin);
    }

    /**
     * 删除
     *
     * @param id
     */
    public void delete(Integer id) {
        adminMapper.deleteByPrimaryKey(id);
    }

    /**
     * 构建查询条件
     *
     * @param searchMap
     * @return
     */
    private Example createExample(Map<String, Object> searchMap) {
        Example example = new Example(Admin.class);
        Example.Criteria criteria = example.createCriteria();
        if (searchMap != null) {
            // 用户名
            if (searchMap.get("loginName") != null && !"".equals(searchMap.get("loginName"))) {
                criteria.andEqualTo("loginName", searchMap.get("loginName"));
            }
            // 密码
            if (searchMap.get("password") != null && !"".equals(searchMap.get("password"))) {
                criteria.andEqualTo("password", searchMap.get("password"));
            }
            // 状态
            if (searchMap.get("status") != null && !"".equals(searchMap.get("status"))) {
                criteria.andEqualTo("status", searchMap.get("status"));
            }

            // id
            if (searchMap.get("id") != null) {
                criteria.andEqualTo("id", searchMap.get("id"));
            }

        }
        return example;
    }


    public Result changePassword(Map<String, Object> searchMap) {

        Map<String,Object> map=new HashMap();
        map.put("loginName",searchMap.get("loginName"));
        Example example = createExample(map);
        Admin admin = adminMapper.selectOneByExample(example);
        if (admin != null) {
            //校验密码是否正确
            String password = admin.getPassword();
            boolean checkpw = BCrypt.checkpw((String) searchMap.get("oldPassword"), password);
            //判断原密码是否正确
            if (checkpw){
                //原密码正确，修改为旧密码

                String gensalt = BCrypt.gensalt(); //生成盐
                String newPassword = BCrypt.hashpw((String) searchMap.get("newPassword"), gensalt);
                admin.setPassword(newPassword);
                adminMapper.updateByPrimaryKeySelective(admin);
                return new Result();
            }else {
                return new Result(1,"2222222222！");
            }


        }
        return new Result(1,"用户不存在");
    }

}
